Read Harman Kardon AVR 5550 (serv.man11) EMC - CB Certificate online
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IEC 60065, 6th edition : 1998
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- Page 12 of 40 -
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No.
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Reinforced or double insulation
being bridged by a single capacitor
complying with 14.2.1 b)
being bridged by a single capacitor
complying with 14.2.1 b)
N
8.7
Basic insulation between parts at
35 V to 71 V (peak) a.c. or 60 V to
120 V d.c. and accessible parts
35 V to 71 V (peak) a.c. or 60 V to
120 V d.c. and accessible parts
N
Reinforced or double insulation
between circuits operating at
voltages between 35 V and 71 V
(peak) a.c. or between 60 V and
120 V d.c. and hazardous live parts
at higher voltage
between circuits operating at
voltages between 35 V and 71 V
(peak) a.c. or between 60 V and
120 V d.c. and hazardous live parts
at higher voltage
N
Separation by Class II isolating
transformer
transformer
Isolating transformer according to 14.3.2.(Class II)
P
Separation by Class I transformer
N
Separation by earthed conductive
part
part
N
8.8
Basic or supplementary insulation
≥
0,4 mm (mm)
N
Reinforced insulation
≥
0,4 mm
(mm)
Insulation in transformer, ref. 14.3.
P
Thin sheet insulation used inside the
enclosure
enclosure
P
Basic or supplementary insulation, at
least two layers, each meeting 10.3
least two layers, each meeting 10.3
N
Basic or supplementary insulation,
three layers any two of which meet
10.3
three layers any two of which meet
10.3
N
Reinforced insulation, two layers
each of which meet 10.3
each of which meet 10.3
N
Reinforced insulation, three layers
any two which meet 10.3
any two which meet 10.3
Main transformer insulation
P
8.9
Primary wiring :
Adequate insulation between internal
hazardous live conductors and
accessible parts
Adequate insulation between internal
hazardous live conductors and
accessible parts
Double insulated.
P
Secondary wiring :
Adequate insulation between internal
hazardous live parts and conductors
connected to accessible parts
Adequate insulation between internal
hazardous live parts and conductors
connected to accessible parts
Single insulated but safely anchored.
P
8.10
Class II apparatus :
Double insulation between
conductors connected to the mains
and accessible parts
Double insulation between
conductors connected to the mains
and accessible parts
Double insulated, tested according to 8.9. and 10.3.
P
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